Citation:
	            
		            Yu  Qing-Sen, Cai  Guo-Qiang. A Quantum Chemistry of the Effect of the Substituents on the Stabilization of Nitrogen-centered and Oxygen-centered Radical[J]. Acta Physico-Chimica Sinica,
							;1995, 11(06): 516-520.
						
							doi:
								10.3866/PKU.WHXB19950608
						
					
				
					
				
	        
- 
	                	
The stabilization of fifteen nitrogen-centered radicals 4-RC6H4NH and fifteen oxygen-centered radicals 4-RC6H4O (R=-H, -OCH3, -Cl, -F, -CN, -COCH3, -NO2,-CH3, -CF3, -CH3S, -C6H5, -NH2, -BH2, -PH2, -SiH3) have been studied with MNDO method. The substituents of -NH2 , -CH3, -OCH3, -F play a role of stabilization on radical, -CF3, -NO2, -CN, -COCH3, -BH2 play a role of de-stabilization and -SCH3, -PH2,-SiH3, -Cl play a role of weak de-stabilization. Benzyl only play a role of stabilization on oxygen-centered radicals.
- 
								Keywords:
								
 - 
												
Radicals
, - MNDO calculation,
 - The energy of stabilization
 
 - 
												
 - 
	                	
	                 - 
	                	
						
						
						
						
	                 - 
	                	
- 
				[1]
				
Baitong Wei , Jinxin Guo , Xigong Liu , Rongxiu Zhu , Lei Liu . Theoretical Study on the Structure, Stability of Hydrocarbon Free Radicals and Selectivity of Alkane Chlorination Reaction. University Chemistry, 2025, 40(3): 402-407. doi: 10.12461/PKU.DXHX202406003
 - 
				[2]
				
Lei Shi . Nucleophilicity and Electrophilicity of Radicals. University Chemistry, 2024, 39(11): 131-135. doi: 10.3866/PKU.DXHX202402018
 - 
				[3]
				
Yuan GAO , Yiming LIU , Chunhui WANG , Zhe HAN , Chaoyue FAN , Jie QIU . A hexanuclear cerium oxo cluster stabilized by furoate: Synthesis, structure, and remarkable ability to scavenge hydroxyl radicals. Chinese Journal of Inorganic Chemistry, 2025, 41(3): 491-498. doi: 10.11862/CJIC.20240271
 - 
				[4]
				
Danqing Wu , Jiajun Liu , Tianyu Li , Dazhen Xu , Zhiwei Miao . Research Progress on the Simultaneous Construction of C—O and C—X Bonds via 1,2-Difunctionalization of Olefins through Radical Pathways. University Chemistry, 2024, 39(11): 146-157. doi: 10.12461/PKU.DXHX202403087
 - 
				[5]
				
Min LIU , Huapeng RUAN , Zhongtao FENG , Xue DONG , Haiyan CUI , Xinping WANG . Neutral boron-containing radical dimers. Chinese Journal of Inorganic Chemistry, 2025, 41(1): 123-130. doi: 10.11862/CJIC.20240362
 - 
				[6]
				
Tongyan Yu , Pan Xu . Visible-Light Photocatalyzed Radical Rearrangement Reaction. University Chemistry, 2025, 40(7): 169-176. doi: 10.12461/PKU.DXHX202409070
 - 
				[7]
				
Jiajia Li , Xiangyu Zhang , Zhihan Yuan , Zhengyang Qian , Jian Zhu . 3D Printing Based on Photo-Induced Reversible Addition-Fragmentation Chain Transfer Polymerization. University Chemistry, 2024, 39(5): 11-19. doi: 10.3866/PKU.DXHX202309073
 - 
				[8]
				
Zijian Zhao , Yanxin Shi , Shicheng Li , Wenhong Ruan , Fang Zhu , Jijun Jiang . A New Exploration of the Preparation of Polyacrylic Acid by Free Radical Polymerization Based on the Concept of Green Chemistry. University Chemistry, 2024, 39(5): 315-324. doi: 10.3866/PKU.DXHX202311094
 - 
				[9]
				
.
CCS Chemistry | 超分子活化底物为自由基促进高效选择性光催化氧化
. CCS Chemistry, 2025, 7(10.31635/ccschem.025.202405229): -. - 
				[10]
				
Yinjie Xu , Suiqin Li , Lihao Liu , Jiahui He , Kai Li , Mengxin Wang , Shuying Zhao , Chun Li , Zhengbin Zhang , Xing Zhong , Jianguo Wang . Enhanced Electrocatalytic Oxidation of Sterols using the Synergistic Effect of NiFe-MOF and Aminoxyl Radicals. Acta Physico-Chimica Sinica, 2024, 40(3): 2305012-0. doi: 10.3866/PKU.WHXB202305012
 - 
				[11]
				
Zhongyan Cao , Shengnan Jin , Yuxia Wang , Yiyi Chen , Xianqiang Kong , Yuanqing Xu . Advances in Highly Selective Reactions Involving Phenol Derivatives as Aryl Radical Precursors. University Chemistry, 2025, 40(4): 245-252. doi: 10.12461/PKU.DXHX202405186
 - 
				[12]
				
Dan Liu . 可见光-有机小分子协同催化的不对称自由基反应研究进展. University Chemistry, 2025, 40(6): 118-128. doi: 10.12461/PKU.DXHX202408101
 - 
				[13]
				
Xinxin Wu . 基础有机化学教学中自由基重排反应的课程设计及其课程思政元素的融入. University Chemistry, 2025, 40(6): 316-325. doi: 10.12461/PKU.DXHX202408055
 - 
				[14]
				
Lina Feng , Guoyu Jiang , Xiaoxia Jian , Jianguo Wang . Application of Organic Radical Materials in Biomedicine. University Chemistry, 2025, 40(4): 253-260. doi: 10.12461/PKU.DXHX202405171
 - 
				[15]
				
Run Yang , Huajie Pang , Huiping Zang , Ruizhong Zhang , Zhicheng Zhang , Xiyan Li , Libing Zhang . Artificial Intelligence-Enabled DNA Computing: Exploring New Frontiers in Bioinformatics. University Chemistry, 2025, 40(9): 107-117. doi: 10.12461/PKU.DXHX202412135
 - 
				[16]
				
Xuefei Zhao , Xuhong Hu , Zhenhua Jia . 理论与计算化学在傅-克烷基化反应教学中的应用. University Chemistry, 2025, 40(8): 360-367. doi: 10.12461/PKU.DXHX202410008
 - 
				[17]
				
Yaqin Zheng , Lian Zhuo , Meng Li , Chunying Rong . Enhancing Understanding of the Electronic Effect of Substituents on Benzene Rings Using Quantum Chemistry Calculations. University Chemistry, 2025, 40(3): 193-198. doi: 10.12461/PKU.DXHX202406119
 - 
				[18]
				
Hongyi Zhang , Zhihong Shi , Zhijun Zhang . A New Strategy for “De-formulized” Calculation of Dynamic Buffer Capacity in Analytical Chemistry Education. University Chemistry, 2024, 39(3): 390-394. doi: 10.3866/PKU.DXHX202309030
 - 
				[19]
				
Hui Li , Jia Nie , Zhongyuan Lü , Hujun Qian , Youliang Zhu , Fuquan Bai , Zexing Qu , Ronglin Zhong . Developing a Lecture Mode for Theoretical and Computational Chemistry Curriculum under the “Modernization of Chinese Education” Initiative. University Chemistry, 2025, 40(3): 1-9. doi: 10.3866/PKU.DXHX202402007
 - 
				[20]
				
Renqing Lü , Shutao Wang , Fang Wang , Guoping Shen . Computational Chemistry Aided Organic Chemistry Teaching: A Case of Comparison of Basicity and Stability of Diazine Isomers. University Chemistry, 2025, 40(3): 76-82. doi: 10.12461/PKU.DXHX202404119
 
 - 
				[1]
				
 
Metrics
- PDF Downloads(2022)
 - Abstract views(3309)
 - HTML views(21)
 
 
Login In
	                    
	                    
	                    
	                    
DownLoad: